Smart phones can collect and share Bluetooth co-location traces to identify ad hoc or semi-permanent social groups. This information, known to group members but otherwise unavailab...
Steve Mardenfeld, Daniel Boston, Susan Juan Pan, Q...
We developed user models of knowledge exploration in a social tagging system to test the expertise rankings generated by a link-structure method and a semantic-structure method. Th...
Increasingly, methods to identify community structure in networks have been proposed which allow groups to overlap. These methods have taken a variety of forms, resulting in a lack...
Mark K. Goldberg, Stephen Kelley, Malik Magdon-Ism...
Churn has been identified as an important issue in a wide range of industries. In social networks, churn represents a significant risk for the health and functioning of communities...
In recent years, several researchers have proposed techniques for providing users with assistance in understanding and overcoming authorization denials. The incorporation of envir...
Murillo Pontual, Keith Irwin, Omar Chowdhury, Will...
Mentoring refers to the phenomenon where a more skilled or knowledgeable person helps a less skilled or less knowledgeable person gain skill in a particular domain. In this paper w...
Muhammad Aurangzeb Ahmad, David Huffaker, Jing Wan...
A novel method for quantitatively measuring social interactions on small temporal and spatial scales on the basis of interaction geometry (reduced to the parameters interpersonal d...
Georg Groh, Alexander Lehmann, Jonas Reimers, Marc...
: Networks having several hundred or more nodes and significant edge probabilities are extremely difficult to visualize. They typically appear as dense clumps, with the various sub...
We interpret "mission assurance" to mean the guarantee that Mission Essential Functionality (MEF) provided by an information system is continued despite partial failures ...
Partha Pratim Pal, Kurt Rohloff, Michael Atighetch...